Power converter responsive to device connection status

A power converter, comprising:

• a primary controller configured to control an operating status of a first coil of a transformer during a standby mode, a powered mode, and a transition from the standby mode to the powered mode, the primary controller comprising:
• a primary switch controller and driver circuit;
• and
• a first circuit configured to initiate transition of the primary switch controller and driver circuit from the standby mode to the powered mode upon receipt of a wake-up signal;
• wherein the first circuit is a first wake-up circuit that is powered during standby mode;
• and
• a secondary controller, electrically connected to a second coil of the transformer, comprising:
• a second circuit configured to detect a connecting of a device to the power converter;
• wherein the secondary controller is configured for use with an electrical circuit formed with the device,
• wherein the electrical circuit includes:
• a detecting circuit configured to detect formation of an electrical connection between the device and the power converter;
• and
• a signaling circuit configured to operate a device switch;
• wherein the electrical circuit is configured to provide the secondary controller with electrical power from a device battery when the device switch is closed by the signaling circuit.

A power converter, comprising:

• a primary controller configured to control an operating status of a first coil of a transformer during a standby mode, a powered mode, and a transition from the standby mode to the powered mode, the primary controller comprising:
• a primary switch controller and driver circuit;
• and
• a first circuit configured to initiate transition of the primary switch controller and driver circuit from the standby mode to the powered mode upon receipt of a wake-up signal;
• wherein the first circuit is a first wake-up circuit that is powered during standby mode;
• and
• a secondary controller, electrically connected to a second coil of the transformer, comprising:
• a second circuit configured to detect a connecting of a device to the power converter;
• wherein the second circuit is configured to detect the connecting of the device to the power converter by monitoring voltage potential changes arising across a voltage divider circuit formed by the power convert and the device;
• wherein the secondary controller is configured to perform the operations of:
• detecting the connection of the device to the power converter;
• receiving power from a device battery;
• and
• transmitting the wake-up signal to the primary controller;
• wherein during transition between standby mode and powered mode the primary controller is configured to perform the operation of:
• stabilizing operation of the power converter until an applied voltage signal increases to a desired voltage level;
• wherein powered mode occurs upon the applied voltage signal reaching the desired voltage level;
• and
• wherein during powered mode, the power converter provides an output power to the device.